DE4116687A1 - Pruefgeraet fuer einen alkoholkonzentrationssensor - Google Patents

Pruefgeraet fuer einen alkoholkonzentrationssensor

Info

Publication number
DE4116687A1
DE4116687A1 DE4116687A DE4116687A DE4116687A1 DE 4116687 A1 DE4116687 A1 DE 4116687A1 DE 4116687 A DE4116687 A DE 4116687A DE 4116687 A DE4116687 A DE 4116687A DE 4116687 A1 DE4116687 A1 DE 4116687A1
Authority
DE
Germany
Prior art keywords
alcohol concentration
fuel
capacitive probe
alcohol
value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
DE4116687A
Other languages
German (de)
English (en)
Other versions
DE4116687C2 (enrdf_load_stackoverflow
Inventor
Masahiko Shimamura
Kazumitsu Kobayashi
Hideki Kamioka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Japan Electronic Control Systems Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Electronic Control Systems Co Ltd filed Critical Japan Electronic Control Systems Co Ltd
Publication of DE4116687A1 publication Critical patent/DE4116687A1/de
Application granted granted Critical
Publication of DE4116687C2 publication Critical patent/DE4116687C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; Viscous liquids; Paints; Inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2835—Specific substances contained in the oils or fuels
    • G01N33/2852—Alcohol in fuels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE4116687A 1990-05-22 1991-05-22 Pruefgeraet fuer einen alkoholkonzentrationssensor Granted DE4116687A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2132029A JPH0778479B2 (ja) 1990-05-22 1990-05-22 アルコールセンサ用検査装置

Publications (2)

Publication Number Publication Date
DE4116687A1 true DE4116687A1 (de) 1991-11-28
DE4116687C2 DE4116687C2 (enrdf_load_stackoverflow) 1993-07-01

Family

ID=15071835

Family Applications (1)

Application Number Title Priority Date Filing Date
DE4116687A Granted DE4116687A1 (de) 1990-05-22 1991-05-22 Pruefgeraet fuer einen alkoholkonzentrationssensor

Country Status (3)

Country Link
US (1) US5205151A (enrdf_load_stackoverflow)
JP (1) JPH0778479B2 (enrdf_load_stackoverflow)
DE (1) DE4116687A1 (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755418A1 (de) * 1997-12-12 1999-06-24 Fraunhofer Ges Forschung Sensorelement und Vorrichtung zur Messung komplexer Impedanzen sowie Verwendung der Vorrichtung
DE19755417A1 (de) * 1997-12-12 1999-07-01 Fraunhofer Ges Forschung Auswerteschaltung zur Ermittlung komplexer Impedanzen, Vorrichtung zur Messung komplexer Impedanzen und Verwendung der Vorrichtung
WO2007019577A3 (en) * 2005-08-08 2007-04-12 Siemens Vdo Automotive Corp Capacitive fluid quality sensor

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5488311A (en) * 1990-05-30 1996-01-30 Japan Electronic Control Systems Co., Ltd. Apparatus and method for measuring alcohol concentration of liquid blended with alcohol applicable to an automotive vehicle mounted internal combustion engine
JP2704808B2 (ja) * 1992-04-07 1998-01-26 株式会社ユニシアジェックス 燃料の性状判別装置
DE19500559A1 (de) * 1995-01-11 1996-07-18 Abstron Instr Gmbh Sensorelement zur Umsetzung dielektrischer Materialeigenschaften in elektrisch meßbare Größen
US5750995A (en) * 1996-02-16 1998-05-12 Boston Advanced Technologies, Inc. Methods and devices for fuel characterization and optimal fuel identification on-site at a fuel delivery dispenser
US5569922A (en) * 1995-07-26 1996-10-29 Boston Advanced Technologies, Inc. Portable fuel analyzer for the diagnosis of fuel-related problems on-site at the vehicle service bay
US5824889A (en) * 1997-03-06 1998-10-20 Kavlico Corporation Capacitive oil deterioration and contamination sensor
US5929754A (en) * 1997-12-03 1999-07-27 Kavlico Corporation High-sensitivity capacitive oil deterioration and level sensor
US6389874B1 (en) * 1999-09-16 2002-05-21 Daimlerchrysler Corporation Fuel composition sensor rationality test
US6230543B1 (en) * 1999-10-21 2001-05-15 Johnson Controls Technology Co. Humidity detector calibration method
US7042228B2 (en) * 2001-04-27 2006-05-09 Oceana Sensor Technologies, Inc. Transducer in-situ testing apparatus and method
DE102004002289B4 (de) * 2004-01-16 2007-02-22 Dräger Safety AG & Co. KGaA Gasmessgerät mit einem elektrochemischen Sensor
US7325285B2 (en) * 2004-05-28 2008-02-05 Maxwell Technologies, Inc. Method of processing high voltage capacitors
DE102007019992A1 (de) * 2007-04-27 2008-10-30 Robert Bosch Gmbh Verfahren zur Kraftstoffanalyse
US20100132431A1 (en) * 2008-12-02 2010-06-03 Norberto Hernandez Method for testing and calibrating a capacitive flex fuel sensor
JP5683376B2 (ja) * 2011-05-10 2015-03-11 パナソニックＩｐマネジメント株式会社 混合濃度測定用センサー装置
US10350402B2 (en) 2012-06-15 2019-07-16 Carefusion 303, Inc. Fluid flow control by a non-pinching valve
US9453466B2 (en) 2013-02-21 2016-09-27 Ford Global Technologies, Llc Methods and systems for a fuel system
CN113281385B (zh) * 2021-05-24 2022-02-18 无锡职业技术学院 一种便携吹气式酒精浓度测量装置及测量方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923992A1 (de) * 1988-07-21 1990-01-25 Calsonic Corp Kraftstoffsensor

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256482A (en) * 1962-02-23 1966-06-14 Nat Tank Co Basic sediment and water monitor utilizing a plurality of selectable compensating capacitors in a resonant detecting circuit
GB1526196A (en) * 1975-11-24 1978-09-27 Plessey Co Ltd Capacitors
JPS57168169A (en) * 1981-04-10 1982-10-16 Nissan Motor Co Ltd Electrostatic capacitance detector
US4555941A (en) * 1982-08-25 1985-12-03 Berwind Corporation Capacitance-type material level indicator
US4624139A (en) * 1984-09-21 1986-11-25 Berwind Corporation Capacitance-type material level indicator
US4676100A (en) * 1984-10-31 1987-06-30 Berwind Corporation Capacitance-type material level indicator
US4788488A (en) * 1986-10-14 1988-11-29 Drexelbrook Controls, Inc. Continuous condition sensing system
US5048335A (en) * 1987-10-01 1991-09-17 Bindicator Company Capacitance-type material level indicator
JP2511092B2 (ja) * 1988-01-30 1996-06-26 日産自動車株式会社 流体用センサ
US5033293A (en) * 1990-03-09 1991-07-23 Calsonic Corporation Alcohol concentration detecting device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3923992A1 (de) * 1988-07-21 1990-01-25 Calsonic Corp Kraftstoffsensor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19755418A1 (de) * 1997-12-12 1999-06-24 Fraunhofer Ges Forschung Sensorelement und Vorrichtung zur Messung komplexer Impedanzen sowie Verwendung der Vorrichtung
DE19755417A1 (de) * 1997-12-12 1999-07-01 Fraunhofer Ges Forschung Auswerteschaltung zur Ermittlung komplexer Impedanzen, Vorrichtung zur Messung komplexer Impedanzen und Verwendung der Vorrichtung
DE19755417C2 (de) * 1997-12-12 1999-11-04 Fraunhofer Ges Forschung Auswerteschaltung zur Ermittlung komplexer Impedanzen, Vorrichtung zur Messung komplexer Impedanzen und Verwendung der Vorrichtung
WO2007019577A3 (en) * 2005-08-08 2007-04-12 Siemens Vdo Automotive Corp Capacitive fluid quality sensor
US7466147B2 (en) 2005-08-08 2008-12-16 Continental Automotive Systems Us, Inc. Fluid quality sensor

Also Published As

Publication number Publication date
DE4116687C2 (enrdf_load_stackoverflow) 1993-07-01
JPH0778479B2 (ja) 1995-08-23
JPH0425751A (ja) 1992-01-29
US5205151A (en) 1993-04-27

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HITACHI, LTD., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee